diff --git a/.github/labeler.yml b/.github/labeler.yml index edb13e3..94dec14 100644 --- a/.github/labeler.yml +++ b/.github/labeler.yml @@ -41,5 +41,8 @@ scope-ci: opentelemetry_cowboy: - instrumentation/opentelemetry_cowboy/**/* +opentelemetry_ecto: + - instrumentation/opentelemetry_ecto/**/* + opentelemetry_phoenix: - instrumentation/opentelemetry_phoenix/**/* diff --git a/.github/workflows/elixir.yml b/.github/workflows/elixir.yml index 9dd9781..1ec4f16 100644 --- a/.github/workflows/elixir.yml +++ b/.github/workflows/elixir.yml @@ -21,6 +21,52 @@ jobs: run: | matrixStringifiedObject="{\"otp_version\":[\"24.0.6\",\"23.3.4.7\",\"22.3.4.21\"],\"elixir_version\":[\"1.12.3\",\"1.11.4\"],\"rebar3_version\":[\"3.16.1\"],\"os\":[\"ubuntu-18.04\"],\"include\":[{\"otp_version\":\"21.3.8.24\",\"elixir_version\":\"1.10.4\",\"rebar3_version\":\"3.15.2\"},{\"otp_version\":\"21.3.8.24\",\"elixir_version\":\"1.11.4\",\"rebar3_version\":\"3.15.2\"}],\"exclude\":[{\"otp_version\":\"21.3.8.24\",\"elixir_version\":\"1.12.3\"}]}" echo "::set-output name=matrix::$matrixStringifiedObject" + opentelemetry-ecto: + needs: [test-matrix] + if: (contains(github.event.pull_request.labels.*.name, 'elixir') && contains(github.event.pull_request.labels.*.name, 'opentelemetry_ecto')) + env: + app: 'opentelemetry_ecto' + defaults: + run: + working-directory: instrumentation/${{ env.app }} + runs-on: ubuntu-18.04 + name: Opentelemetry Ecto test on Elixir ${{ matrix.elixir_version }} (OTP ${{ matrix.otp_version }}) + strategy: + fail-fast: false + matrix: ${{ fromJson(needs.test-matrix.outputs.matrix) }} + services: + postgres: + image: circleci/postgres:11.3-alpine-ram + ports: ['5432:5432'] + options: --health-cmd pg_isready --health-interval 10s --health-timeout 5s --health-retries 5 + env: + POSTGRES_USER: postgres + POSTGRES_DB: opentelemetry_ecto_test + + steps: + - uses: actions/checkout@v2 + - uses: erlef/setup-beam@v1 + with: + otp-version: ${{ matrix.otp_version }} + elixir-version: ${{ matrix.elixir_version }} + rebar3-version: ${{ matrix.rebar3_version }} + - name: Cache + uses: actions/cache@v2 + with: + path: | + instrumentation/${{ env.app }}/deps + instrumentation/${{ env.app }}/_build + key: ${{ runner.os }}-build-${{ matrix.otp_version }}-${{ matrix.elixir_version }}-v3-${{ hashFiles(format('{0}{1}', github.workspace, 'instrumentation/${{ env.app }}/mix.lock')) }} + - name: Fetch deps + if: steps.deps-cache.outputs.cache-hit != 'true' + run: mix deps.get + - name: Compile project + run: mix compile --warnings-as-errors + - name: Check formatting + run: mix format --check-formatted + - name: Test + run: mix test + opentelemetry-phoenix: needs: [test-matrix] if: (contains(github.event.pull_request.labels.*.name, 'elixir') && contains(github.event.pull_request.labels.*.name, 'opentelemetry_phoenix')) @@ -45,8 +91,8 @@ jobs: uses: actions/cache@v2 with: path: | - ${{ env.app }}/deps - ${{ env.app }}/_build + instrumentation/${{ env.app }}/deps + instrumentation/${{ env.app }}/_build key: ${{ runner.os }}-build-${{ matrix.otp_version }}-${{ matrix.elixir_version }}-v3-${{ hashFiles(format('{0}{1}', github.workspace, 'instrumentation/${{ env.app }}/mix.lock')) }} - name: Fetch deps if: steps.deps-cache.outputs.cache-hit != 'true' diff --git a/CODEOWNERS b/CODEOWNERS index 51347ed..f5987e1 100644 --- a/CODEOWNERS +++ b/CODEOWNERS @@ -15,4 +15,5 @@ @open-telemetry/erlang-approvers /instrumentation/opentelemetry_cowboy @bryannaegele @tsloughter -/instrumentation/opentelemetry_phoenix @bryannaegele @tsloughter \ No newline at end of file +/instrumentation/opentelemetry_ecto @bryannaegele @tsloughter +/instrumentation/opentelemetry_phoenix @bryannaegele @tsloughter diff --git a/instrumentation/opentelemetry_ecto/.formatter.exs b/instrumentation/opentelemetry_ecto/.formatter.exs new file mode 100644 index 0000000..8310c80 --- /dev/null +++ b/instrumentation/opentelemetry_ecto/.formatter.exs @@ -0,0 +1,7 @@ +# Used by "mix format" +[ + import_deps: [:ecto], + inputs: ["*.{ex,exs}", "priv/*/seeds.exs", "{rel,config,lib,test}/**/*.{ex,exs}"], + subdirectories: ["priv/*/migrations"], + line_length: 120 +] diff --git a/instrumentation/opentelemetry_ecto/.gitignore b/instrumentation/opentelemetry_ecto/.gitignore new file mode 100644 index 0000000..db33682 --- /dev/null +++ b/instrumentation/opentelemetry_ecto/.gitignore @@ -0,0 +1,11 @@ +/_build +/cover +/deps +/doc +/.fetch +erl_crash.dump +*.ez +*.beam +/config/*.secret.exs +.elixir_ls/ +.rebar3 diff --git a/instrumentation/opentelemetry_ecto/LICENSE b/instrumentation/opentelemetry_ecto/LICENSE new file mode 100644 index 0000000..261eeb9 --- /dev/null +++ b/instrumentation/opentelemetry_ecto/LICENSE @@ -0,0 +1,201 @@ + Apache License + Version 2.0, January 2004 + http://www.apache.org/licenses/ + + TERMS AND CONDITIONS FOR USE, REPRODUCTION, AND DISTRIBUTION + + 1. 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We also recommend that a + file or class name and description of purpose be included on the + same "printed page" as the copyright notice for easier + identification within third-party archives. + + Copyright [yyyy] [name of copyright owner] + + Licensed under the Apache License, Version 2.0 (the "License"); + you may not use this file except in compliance with the License. + You may obtain a copy of the License at + + http://www.apache.org/licenses/LICENSE-2.0 + + Unless required by applicable law or agreed to in writing, software + distributed under the License is distributed on an "AS IS" BASIS, + WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. + See the License for the specific language governing permissions and + limitations under the License. diff --git a/instrumentation/opentelemetry_ecto/README.md b/instrumentation/opentelemetry_ecto/README.md new file mode 100644 index 0000000..3e79f69 --- /dev/null +++ b/instrumentation/opentelemetry_ecto/README.md @@ -0,0 +1,42 @@ +# OpentelemetryEcto + +Telemetry handler that creates Opentelemetry spans from Ecto query events. Because +Ecto emits telemetry events only after queries have finished, OpentelemetryEcto +estimates the start time of the span by subtracting the reported total duration +from the current timestamp. + +After installing, setup the handler in your application behaviour before your +top-level supervisor starts. + +```elixir +OpentelemetryEcto.setup([:blog, :repo]) +``` + +See the documentation for `OpentelemetryEcto.setup/2` for additional options that +may be supplied. + +## Installation + +If [available in Hex](https://hex.pm/docs/publish), the package can be installed +by adding `opentelemetry_ecto` to your list of dependencies in `mix.exs`: + +```elixir +def deps do + [ + {:opentelemetry_ecto, "~> 1.0.0-rc"} + ] +end +``` + +## Compatibility Matrix + +| OpentelemetryEcto Version | Otel Version | Notes | +| :------------------------ | :----------- | :---- | +| | | | +| v0.1.0 | <= v.0.5.0 | | +| v1.0.0-rc.1 | v1.0.0-rc.1 | | + +Documentation can be generated with [ExDoc](https://github.com/elixir-lang/ex_doc) +and published on [HexDocs](https://hexdocs.pm). Once published, the docs can +be found at [https://hexdocs.pm/opentelemetry_ecto](https://hexdocs.pm/opentelemetry_ecto). + diff --git a/instrumentation/opentelemetry_ecto/config/config.exs b/instrumentation/opentelemetry_ecto/config/config.exs new file mode 100644 index 0000000..ed8ab8d --- /dev/null +++ b/instrumentation/opentelemetry_ecto/config/config.exs @@ -0,0 +1,34 @@ +# This file is responsible for configuring your application +# and its dependencies with the aid of the Mix.Config module. +use Mix.Config + +# This configuration is loaded before any dependency and is restricted +# to this project. If another project depends on this project, this +# file won't be loaded nor affect the parent project. For this reason, +# if you want to provide default values for your application for +# third-party users, it should be done in your "mix.exs" file. + +# You can configure your application as: +# +# config :opentelemetry_ecto, key: :value +# +# and access this configuration in your application as: +# +# Application.get_env(:opentelemetry_ecto, :key) +# +# You can also configure a third-party app: +# +# config :logger, level: :info +# + +# It is also possible to import configuration files, relative to this +# directory. For example, you can emulate configuration per environment +# by uncommenting the line below and defining dev.exs, test.exs and such. +# Configuration from the imported file will override the ones defined +# here (which is why it is important to import them last). +# +try do + import_config "#{Mix.env()}.exs" +rescue + _ -> :ok +end diff --git a/instrumentation/opentelemetry_ecto/config/test.exs b/instrumentation/opentelemetry_ecto/config/test.exs new file mode 100644 index 0000000..c4517f9 --- /dev/null +++ b/instrumentation/opentelemetry_ecto/config/test.exs @@ -0,0 +1,15 @@ +import Config + +config :opentelemetry_ecto, + ecto_repos: [OpentelemetryEcto.TestRepo] + +config :opentelemetry_ecto, OpentelemetryEcto.TestRepo, + hostname: "localhost", + username: "postgres", + database: "opentelemetry_ecto_test", + pool: Ecto.Adapters.SQL.Sandbox + +config :opentelemetry, + sampler: {:always_on, %{}}, + tracer: :otel_tracer_default, + processors: [{:otel_batch_processor, %{scheduled_delay_ms: 1}}] diff --git a/instrumentation/opentelemetry_ecto/docker-compose.yml b/instrumentation/opentelemetry_ecto/docker-compose.yml new file mode 100644 index 0000000..8263969 --- /dev/null +++ b/instrumentation/opentelemetry_ecto/docker-compose.yml @@ -0,0 +1,10 @@ +version: "3.7" + +services: + postgres: + image: circleci/postgres:11.3-alpine-ram + environment: + - POSTGRES_USER=postgres + - POSTGRES_DB=opentelemetry_ecto_test + ports: + - 5432:5432 diff --git a/instrumentation/opentelemetry_ecto/lib/opentelemetry_ecto.ex b/instrumentation/opentelemetry_ecto/lib/opentelemetry_ecto.ex new file mode 100644 index 0000000..2a2457f --- /dev/null +++ b/instrumentation/opentelemetry_ecto/lib/opentelemetry_ecto.ex @@ -0,0 +1,105 @@ +defmodule OpentelemetryEcto do + @moduledoc """ + Telemetry handler for creating OpenTelemetry Spans from Ecto query events. + """ + + require OpenTelemetry.Tracer + + @doc """ + Attaches the OpentelemetryEcto handler to your repo events. This should be called + from your application behaviour on startup. + + Example: + + OpentelemetryEcto.setup([:blog, :repo]) + + You may also supply the following options in the second argument: + + * `:time_unit` - a time unit used to convert the values of query phase + timings, defaults to `:microsecond`. See `System.convert_time_unit/3` + + * `:span_prefix` - the first part of the span name, as a `String.t`, + defaults to the concatenation of the event name with periods, e.g. + `"blog.repo.query"`. This will always be followed with a colon and the + source (the table name for SQL adapters). + """ + def setup(event_prefix, config \\ []) do + event = event_prefix ++ [:query] + :telemetry.attach({__MODULE__, event}, event, &__MODULE__.handle_event/4, config) + end + + @doc false + def handle_event( + event, + measurements, + %{query: query, source: source, result: query_result, repo: repo, type: type}, + config + ) do + # Doing all this even if the span isn't sampled so the sampler + # could technically use the attributes to decide if it should sample or not + + total_time = measurements.total_time + end_time = :opentelemetry.timestamp() + start_time = end_time - total_time + database = repo.config()[:database] + + url = + case repo.config()[:url] do + nil -> + # TODO: add port + URI.to_string(%URI{scheme: "ecto", host: repo.config()[:hostname]}) + + url -> + url + end + + span_name = + case Keyword.fetch(config, :span_prefix) do + {:ok, prefix} -> prefix + :error -> Enum.join(event, ".") + end <> ":#{source}" + + time_unit = Keyword.get(config, :time_unit, :microsecond) + + db_type = + case type do + :ecto_sql_query -> :sql + _ -> type + end + + result = + case query_result do + {:ok, _} -> [] + _ -> [error: true] + end + + # TODO: need connection information to complete the required attributes + # net.peer.name or net.peer.ip and net.peer.port + base_attributes = + Keyword.merge(result, + "db.type": db_type, + "db.statement": query, + source: source, + "db.instance": database, + "db.url": url, + "total_time_#{time_unit}s": System.convert_time_unit(total_time, :native, time_unit) + ) + + attributes = + measurements + |> Enum.into(%{}) + |> Map.take(~w(decode_time query_time queue_time)a) + |> Enum.reject(&is_nil(elem(&1, 1))) + |> Enum.map(fn {k, v} -> + {String.to_atom("#{k}_#{time_unit}s"), System.convert_time_unit(v, :native, time_unit)} + end) + + s = + OpenTelemetry.Tracer.start_span(span_name, %{ + start_time: start_time, + attributes: attributes ++ base_attributes + }) + + OpenTelemetry.Span.end_span(s) + end +end diff --git a/instrumentation/opentelemetry_ecto/mix.exs b/instrumentation/opentelemetry_ecto/mix.exs new file mode 100644 index 0000000..d47d47c --- /dev/null +++ b/instrumentation/opentelemetry_ecto/mix.exs @@ -0,0 +1,59 @@ +defmodule OpentelemetryEcto.MixProject do + use Mix.Project + + def project do + [ + app: :opentelemetry_ecto, + description: description(), + version: "1.0.0-rc.1", + elixir: "~> 1.10", + start_permanent: Mix.env() == :prod, + deps: deps(), + aliases: aliases(), + elixirc_paths: elixirc_paths(Mix.env()), + package: package(), + source_url: + "https://github.com/open-telemetry/opentelemetry-erlang-contrib/tree/main/instrumentation/opentelemetry_ecto" + ] + end + + defp description do + "Trace Ecto queries with OpenTelemetry." + end + + defp package do + [ + files: ~w(lib .formatter.exs mix.exs README* LICENSE* CHANGELOG*), + licenses: ["Apache-2"], + links: %{ + "GitHub" => + "https://github.com/open-telemetry/opentelemetry-erlang-contrib/tree/main/instrumentation/opentelemetry_ecto", + "OpenTelemetry Erlang" => "https://github.com/open-telemetry/opentelemetry-erlang", + "OpenTelemetry Erlang Contrib" => "https://github.com/open-telemetry/opentelemetry-erlang-contrib", + "OpenTelemetry.io" => "https://opentelemetry.io" + } + ] + end + + def application do + [] + end + + defp elixirc_paths(:test), do: ["lib", "test/support"] + defp elixirc_paths(_), do: ["lib"] + + defp aliases() do + [test: ["ecto.drop -q", "ecto.create -q", "ecto.migrate --quiet", "test"]] + end + + defp deps do + [ + {:telemetry, "~> 0.4 or ~> 1.0.0"}, + {:opentelemetry_api, "<= 1.0.0-rc.2"}, + {:opentelemetry, "<= 1.0.0-rc.2", only: [:dev, :test]}, + {:ex_doc, "~> 0.25.0", only: [:dev], runtime: false}, + {:ecto_sql, ">= 3.0.0", only: [:dev, :test]}, + {:postgrex, ">= 0.15.0", only: [:dev, :test]} + ] + end +end diff --git a/instrumentation/opentelemetry_ecto/mix.lock b/instrumentation/opentelemetry_ecto/mix.lock new file mode 100644 index 0000000..e246224 --- /dev/null +++ b/instrumentation/opentelemetry_ecto/mix.lock @@ -0,0 +1,18 @@ +%{ + "connection": {:hex, :connection, "1.1.0", "ff2a49c4b75b6fb3e674bfc5536451607270aac754ffd1bdfe175abe4a6d7a68", [:mix], [], "hexpm", "722c1eb0a418fbe91ba7bd59a47e28008a189d47e37e0e7bb85585a016b2869c"}, + "db_connection": {:hex, :db_connection, "2.4.0", "d04b1b73795dae60cead94189f1b8a51cc9e1f911c234cc23074017c43c031e5", [:mix], [{:connection, "~> 1.0", [hex: :connection, repo: "hexpm", optional: false]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "ad416c21ad9f61b3103d254a71b63696ecadb6a917b36f563921e0de00d7d7c8"}, + "decimal": {:hex, :decimal, "2.0.0", "a78296e617b0f5dd4c6caf57c714431347912ffb1d0842e998e9792b5642d697", [:mix], [], "hexpm", "34666e9c55dea81013e77d9d87370fe6cb6291d1ef32f46a1600230b1d44f577"}, + "earmark": {:hex, :earmark, "1.4.15", "2c7f924bf495ec1f65bd144b355d0949a05a254d0ec561740308a54946a67888", [:mix], [{:earmark_parser, ">= 1.4.13", [hex: :earmark_parser, repo: "hexpm", optional: false]}], "hexpm", "3b1209b85bc9f3586f370f7c363f6533788fb4e51db23aa79565875e7f9999ee"}, + "earmark_parser": {:hex, :earmark_parser, "1.4.15", "b29e8e729f4aa4a00436580dcc2c9c5c51890613457c193cc8525c388ccb2f06", [:mix], [], "hexpm", "044523d6438ea19c1b8ec877ec221b008661d3c27e3b848f4c879f500421ca5c"}, + "ecto": {:hex, :ecto, "3.7.1", "a20598862351b29f80f285b21ec5297da1181c0442687f9b8329f0445d228892", [:mix], [{:decimal, "~> 1.6 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "d36e5b39fc479e654cffd4dbe1865d9716e4a9b6311faff799b6f90ab81b8638"}, + "ecto_sql": {:hex, :ecto_sql, "3.7.0", "2fcaad4ab0c8d76a5afbef078162806adbe709c04160aca58400d5cbbe8eeac6", [:mix], [{:db_connection, "~> 2.2", [hex: :db_connection, repo: "hexpm", optional: false]}, {:ecto, "~> 3.7.0", [hex: :ecto, repo: "hexpm", optional: false]}, {:myxql, "~> 0.4.0 or ~> 0.5.0", [hex: :myxql, repo: "hexpm", optional: true]}, {:postgrex, "~> 0.15.0 or ~> 1.0", [hex: :postgrex, repo: "hexpm", optional: true]}, {:tds, "~> 2.1.1", [hex: :tds, repo: "hexpm", optional: true]}, {:telemetry, "~> 0.4.0 or ~> 1.0", [hex: :telemetry, repo: "hexpm", optional: false]}], "hexpm", "a26135dfa1d99bf87a928c464cfa25bba6535a4fe761eefa56077a4febc60f70"}, + "ex_doc": {:hex, :ex_doc, "0.25.2", "4f1cae793c4d132e06674b282f1d9ea3bf409bcca027ddb2fe177c4eed6a253f", [:mix], [{:earmark_parser, "~> 1.4.0", [hex: :earmark_parser, repo: "hexpm", optional: false]}, {:makeup_elixir, "~> 0.14", [hex: :makeup_elixir, repo: "hexpm", optional: false]}, {:makeup_erlang, "~> 0.1", [hex: :makeup_erlang, repo: "hexpm", optional: false]}], "hexpm", "5b0c172e87ac27f14dfd152d52a145238ec71a95efbf29849550278c58a393d6"}, + "makeup": {:hex, :makeup, "1.0.5", "d5a830bc42c9800ce07dd97fa94669dfb93d3bf5fcf6ea7a0c67b2e0e4a7f26c", [:mix], [{:nimble_parsec, "~> 0.5 or ~> 1.0", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "cfa158c02d3f5c0c665d0af11512fed3fba0144cf1aadee0f2ce17747fba2ca9"}, + "makeup_elixir": {:hex, :makeup_elixir, "0.15.1", "b5888c880d17d1cc3e598f05cdb5b5a91b7b17ac4eaf5f297cb697663a1094dd", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}, {:nimble_parsec, "~> 1.1", [hex: :nimble_parsec, repo: "hexpm", optional: false]}], "hexpm", "db68c173234b07ab2a07f645a5acdc117b9f99d69ebf521821d89690ae6c6ec8"}, + "makeup_erlang": {:hex, :makeup_erlang, "0.1.1", "3fcb7f09eb9d98dc4d208f49cc955a34218fc41ff6b84df7c75b3e6e533cc65f", [:mix], [{:makeup, "~> 1.0", [hex: :makeup, repo: "hexpm", optional: false]}], "hexpm", "174d0809e98a4ef0b3309256cbf97101c6ec01c4ab0b23e926a9e17df2077cbb"}, + "nimble_parsec": {:hex, :nimble_parsec, "1.1.0", "3a6fca1550363552e54c216debb6a9e95bd8d32348938e13de5eda962c0d7f89", [:mix], [], "hexpm", "08eb32d66b706e913ff748f11694b17981c0b04a33ef470e33e11b3d3ac8f54b"}, + "opentelemetry": {:hex, :opentelemetry, "1.0.0-rc.2", "d3e1fd9debfd73e00b0241cac464be7cd6ca6ac2bd38ab2ebe0c92401c76a342", [:rebar3], [{:opentelemetry_api, "~> 1.0.0-rc.2", [hex: :opentelemetry_api, repo: "hexpm", optional: false]}], "hexpm", "2f810e2eed70a9ea0c9b6943969b59e37f96a2f9e10920045a6c7676c2ab8181"}, + "opentelemetry_api": {:hex, :opentelemetry_api, "1.0.0-rc.2", "a0ec5b242bb7ce7563b4891e77dcfa529defc9e42c19a5a702574c5ac3d0c6e7", [:mix, :rebar3], [], "hexpm", "426a969c8ee2afa8ab55b58e6e40e81c1f934c064459a1acb530f54042f9a9a3"}, + "postgrex": {:hex, :postgrex, "0.15.10", "2809dee1b1d76f7cbabe570b2a9285c2e7b41be60cf792f5f2804a54b838a067", [:mix], [{:connection, "~> 1.0", [hex: :connection, repo: "hexpm", optional: false]}, {:db_connection, "~> 2.1", [hex: :db_connection, repo: "hexpm", optional: false]}, {:decimal, "~> 1.5 or ~> 2.0", [hex: :decimal, repo: "hexpm", optional: false]}, {:jason, "~> 1.0", [hex: :jason, repo: "hexpm", optional: true]}], "hexpm", "1560ca427542f6b213f8e281633ae1a3b31cdbcd84ebd7f50628765b8f6132be"}, + "telemetry": {:hex, :telemetry, "1.0.0", "0f453a102cdf13d506b7c0ab158324c337c41f1cc7548f0bc0e130bbf0ae9452", [:rebar3], [], "hexpm", "73bc09fa59b4a0284efb4624335583c528e07ec9ae76aca96ea0673850aec57a"}, +} diff --git a/instrumentation/opentelemetry_ecto/priv/test_repo/migrations/1_setup_tables.exs b/instrumentation/opentelemetry_ecto/priv/test_repo/migrations/1_setup_tables.exs new file mode 100644 index 0000000..dc435b4 --- /dev/null +++ b/instrumentation/opentelemetry_ecto/priv/test_repo/migrations/1_setup_tables.exs @@ -0,0 +1,14 @@ +defmodule OpentelemetryEcto.TestRepo.Migrations.SetupTables do + use Ecto.Migration + + def change do + create table(:users) do + add :email, :string + end + + create table(:posts) do + add :body, :text + add :user_id, references(:users) + end + end +end diff --git a/instrumentation/opentelemetry_ecto/test/opentelemetry_ecto_test.exs b/instrumentation/opentelemetry_ecto/test/opentelemetry_ecto_test.exs new file mode 100644 index 0000000..8b12990 --- /dev/null +++ b/instrumentation/opentelemetry_ecto/test/opentelemetry_ecto_test.exs @@ -0,0 +1,106 @@ +defmodule OpentelemetryEctoTest do + alias OpentelemetryEcto.TestRepo, as: Repo + alias OpentelemetryEcto.TestModels.{User, Post} + require OpenTelemetry.Tracer + use ExUnit.Case + + @event_name [:opentelemetry_ecto, :test_repo] + + require Record + + for {name, spec} <- Record.extract_all(from_lib: "opentelemetry/include/otel_span.hrl") do + Record.defrecord(name, spec) + end + + setup do + :ok = Ecto.Adapters.SQL.Sandbox.checkout(OpentelemetryEcto.TestRepo) + :otel_batch_processor.set_exporter(:otel_exporter_pid, self()) + + OpenTelemetry.Tracer.start_span("test") + + on_exit(fn -> + OpenTelemetry.Tracer.end_span() + end) + end + + test "captures basic query events" do + attach_handler() + + Repo.all(User) + + assert_receive {:span, + span( + name: "opentelemetry_ecto.test_repo.query:users", + attributes: list + )} + + assert [ + "db.instance": "opentelemetry_ecto_test", + "db.statement": "SELECT u0.\"id\", u0.\"email\" FROM \"users\" AS u0", + "db.type": :sql, + "db.url": "ecto://localhost", + decode_time_microseconds: _, + query_time_microseconds: _, + queue_time_microseconds: _, + source: "users", + total_time_microseconds: _ + ] = List.keysort(list, 0) + end + + test "changes the time unit" do + attach_handler(time_unit: :millisecond) + + Repo.all(Post) + + assert_receive {:span, + span( + name: "opentelemetry_ecto.test_repo.query:posts", + attributes: list + )} + + assert [ + "db.instance": "opentelemetry_ecto_test", + "db.statement": "SELECT p0.\"id\", p0.\"body\", p0.\"user_id\" FROM \"posts\" AS p0", + "db.type": :sql, + "db.url": "ecto://localhost", + decode_time_milliseconds: _, + query_time_milliseconds: _, + queue_time_milliseconds: _, + source: "posts", + total_time_milliseconds: _ + ] = List.keysort(list, 0) + end + + test "changes the span name prefix" do + attach_handler(span_prefix: "Ecto") + + Repo.all(User) + + assert_receive {:span, span(name: "Ecto:users")} + end + + test "collects multiple spans" do + user = Repo.insert!(%User{email: "opentelemetry@erlang.org"}) + Repo.insert!(%Post{body: "We got traced!", user: user}) + + attach_handler() + + User + |> Repo.all() + |> Repo.preload([:posts]) + + assert_receive {:span, span(name: "opentelemetry_ecto.test_repo.query:users")} + assert_receive {:span, span(name: "opentelemetry_ecto.test_repo.query:posts")} + end + + def attach_handler(config \\ []) do + # For now setup the handler manually in each test + handler = {__MODULE__, self()} + + :telemetry.attach(handler, @event_name ++ [:query], &OpentelemetryEcto.handle_event/4, config) + + on_exit(fn -> + :telemetry.detach(handler) + end) + end +end diff --git a/instrumentation/opentelemetry_ecto/test/support/models/post.ex b/instrumentation/opentelemetry_ecto/test/support/models/post.ex new file mode 100644 index 0000000..ad6f269 --- /dev/null +++ b/instrumentation/opentelemetry_ecto/test/support/models/post.ex @@ -0,0 +1,8 @@ +defmodule OpentelemetryEcto.TestModels.Post do + use Ecto.Schema + + schema "posts" do + field(:body, :string) + belongs_to(:user, OpentelemetryEcto.TestModels.User) + end +end diff --git a/instrumentation/opentelemetry_ecto/test/support/models/user.ex b/instrumentation/opentelemetry_ecto/test/support/models/user.ex new file mode 100644 index 0000000..0ea5a2b --- /dev/null +++ b/instrumentation/opentelemetry_ecto/test/support/models/user.ex @@ -0,0 +1,9 @@ +defmodule OpentelemetryEcto.TestModels.User do + use Ecto.Schema + + schema "users" do + field(:email, :string) + + has_many(:posts, OpentelemetryEcto.TestModels.Post) + end +end diff --git a/instrumentation/opentelemetry_ecto/test/support/test_repo.ex b/instrumentation/opentelemetry_ecto/test/support/test_repo.ex new file mode 100644 index 0000000..74e818b --- /dev/null +++ b/instrumentation/opentelemetry_ecto/test/support/test_repo.ex @@ -0,0 +1,6 @@ +defmodule OpentelemetryEcto.TestRepo do + use Ecto.Repo, + otp_app: :opentelemetry_ecto, + adapter: Ecto.Adapters.Postgres, + telemetry_prefix: [:opentelemetry_ecto, :test_repo] +end diff --git a/instrumentation/opentelemetry_ecto/test/test_helper.exs b/instrumentation/opentelemetry_ecto/test/test_helper.exs new file mode 100644 index 0000000..f3417a8 --- /dev/null +++ b/instrumentation/opentelemetry_ecto/test/test_helper.exs @@ -0,0 +1,14 @@ +:application.load(:opentelemetry) +:application.set_env(:opentelemetry, :tracer, :otel_tracer_default) + +:application.set_env(:opentelemetry, :processors, [ + {:otel_batch_processor, %{scheduled_delay_ms: 1}} +]) + +Application.ensure_all_started(:opentelemetry) +Application.ensure_all_started(:telemetry) +OpentelemetryEcto.TestRepo.start_link() + +ExUnit.start() + +Ecto.Adapters.SQL.Sandbox.mode(OpentelemetryEcto.TestRepo, :manual)